<!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initi
 al-scale=1.0">
    <title>this显式绑定实验</title>
 </head>
 <body>
    <script>
    var obj = {
    name: "gkd"
};
 function foo() {
    console.log("foo函数",this);
 }
 foo.call(obj);  // 使⽤显式绑定this为obj
 foo.call(123);  // 将this显式绑定为⼀个数字
 foo.call("abc");  // 将this显式绑定为⼀个字符串
   </script>
</body>
</html>